Home / 112,511.34-155,265.25-63,449.06

Finding the Fourth Proportional to 112,511.34, 155,265.25 and 63,449.06

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Solution

The fourth proportional to 112,511.34, 155,265.25 and 63,449.06 is: 87,559.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,511.34 : 155,265.25 = 63,449.06 : x
  2. Step 2: Convert to fraction form
    112,511.34/155,265.25 = 63,449.06/x
  3. Step 3: Cross multiply
    112,511.34x = 155,265.25 × 63,449.06
  4. Step 4: Simplify right side
    112,511.34x = 9,851,433,386.84
  5. Step 5: Solve for x
    x = 9,851,433,386.84/112,511.34
  6. Step 6: Final answer
    x = 87,559.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.